Concerted variation in melanogenesis genes underlies emergent patterning of plumage in capuchino seedeaters
Coloration traits are central to animal communication; they often govern mate choice, promote reproductive isolation and catalyse speciation. Specific genetic changes can cause variation in coloration, yet far less is known about how overall coloration patterns-which involve combinations of multiple colour patches across the body-can arise and are genomically controlled. We performed genome-wide association analyses to link genomic changes to variation in melanin (eumelanin and pheomelanin) concentration in feathers from different body parts in the capuchino seedeaters, an avian radiation with diverse colour patterns despite remarkably low genetic differentiation across species. Cross-species colour variation in each plumage patch is associated with unique combinations of variants at a few genomic regions, which include mostly non-coding (presumably regulatory) areas close to known pigmentation genes. Genotype-phenotype associations can vary depending on patch colour and are stronger for eumelanin pigmentation, suggesting eumelanin production is tightly regulated. Although some genes are involved in colour variation in multiple patches, in some cases, the SNPs associated with colour changes in different patches segregate spatially. These results suggest that coloration patterning in capuchinos is generated by the modular combination of variants that regulate multiple melanogenesis genes, a mechanism that may have promoted this rapid radiation.
| Medienart: |
E-Artikel |
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| Erscheinungsjahr: |
2022 |
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| Erschienen: |
2022 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:289 |
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| Enthalten in: |
Proceedings. Biological sciences - 289(2022), 1966 vom: 12. Jan., Seite 20212277 |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Estalles, Cecilia [VerfasserIn] |
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| Links: |
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| Themen: |
Capuchino seedeaters |
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| Anmerkungen: |
Date Completed 16.05.2022 Date Revised 02.05.2023 published: Print-Electronic figshare: 10.6084/m9.figshare.c.5758766 Citation Status MEDLINE |
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| doi: |
10.1098/rspb.2021.2277 |
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| funding: |
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| Förderinstitution / Projekttitel: |
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| 245 | 1 | 0 | |a Concerted variation in melanogenesis genes underlies emergent patterning of plumage in capuchino seedeaters |
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| 500 | |a figshare: 10.6084/m9.figshare.c.5758766 | ||
| 500 | |a Citation Status MEDLINE | ||
| 520 | |a Coloration traits are central to animal communication; they often govern mate choice, promote reproductive isolation and catalyse speciation. Specific genetic changes can cause variation in coloration, yet far less is known about how overall coloration patterns-which involve combinations of multiple colour patches across the body-can arise and are genomically controlled. We performed genome-wide association analyses to link genomic changes to variation in melanin (eumelanin and pheomelanin) concentration in feathers from different body parts in the capuchino seedeaters, an avian radiation with diverse colour patterns despite remarkably low genetic differentiation across species. Cross-species colour variation in each plumage patch is associated with unique combinations of variants at a few genomic regions, which include mostly non-coding (presumably regulatory) areas close to known pigmentation genes. Genotype-phenotype associations can vary depending on patch colour and are stronger for eumelanin pigmentation, suggesting eumelanin production is tightly regulated. Although some genes are involved in colour variation in multiple patches, in some cases, the SNPs associated with colour changes in different patches segregate spatially. These results suggest that coloration patterning in capuchinos is generated by the modular combination of variants that regulate multiple melanogenesis genes, a mechanism that may have promoted this rapid radiation | ||
| 650 | 4 | |a Journal Article | |
| 650 | 4 | |a Research Support, Non-U.S. Gov't | |
| 650 | 4 | |a Research Support, U.S. Gov't, Non-P.H.S. | |
| 650 | 4 | |a capuchino seedeaters | |
| 650 | 4 | |a coloration patterning | |
| 650 | 4 | |a genome-wide association analyses | |
| 650 | 4 | |a melanogenesis genes | |
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| 700 | 1 | |a Turbek, Sheela P |e verfasserin |4 aut | |
| 700 | 1 | |a José Rodríguez-Cajarville, María |e verfasserin |4 aut | |
| 700 | 1 | |a Silveira, Luís Fábio |e verfasserin |4 aut | |
| 700 | 1 | |a Wakamatsu, Kazumasa |e verfasserin |4 aut | |
| 700 | 1 | |a Ito, Shosuke |e verfasserin |4 aut | |
| 700 | 1 | |a Lovette, Irby J |e verfasserin |4 aut | |
| 700 | 1 | |a Tubaro, Pablo L |e verfasserin |4 aut | |
| 700 | 1 | |a Lijtmaer, Darío A |e verfasserin |4 aut | |
| 700 | 1 | |a Campagna, Leonardo |e verfasserin |4 aut | |
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